Remove removes lock, closes and removes an open file.

Lock apply exclusive lock on an open file. If file already locked, returns error.

OpenLockFile opens the named file with flags os.O_RDWR|os.O_CREATE and specified perm. If successful, function returns LockFile for opened file.

Reborn runs second copy of current process in the given context. function executes separate parts of code in child process and parent process and prov

Release provides correct pid-file release in daemon.

WritePid writes current process id to an open file.

CreatePidFile opens the named file, applies exclusive lock and writes current process id to file.

NewLockFile returns a new LockFile with the given File.

Search searches daemons process by given in context pid file name. If success returns pointer on daemons os.Process structure, else returns error. Ret

Unlock remove exclusive lock on an open file.

AddCommand is wrapper on AddFlag and SetSigHandler functions.

ReadPid reads process id from file and returns pid. If unable read from a file, returns error.

Rotate renames old log file, creates new one, switches log and closes the old file.

StringFlag returns new object that implements interface Flag and has state 'set' when var with the given address equals given value of v.

ActiveFlags returns flags that has the state 'set'.

AddFlag adds the flag and signal to the internal map.

NewLogFile creates a new LogFile. The file is optional - it will be created if needed.

ReadPidFile reads process id from file with give name and returns pid. If unable read from a file, returns error.

SendCommands sends active signals to the given process.

ServeSignals calls handlers for system signals.

SetSigHandler sets handler for the given signals. SIGTERM has the default handler, he returns ErrStop.

WasReborn returns true in child process (daemon) and false in parent process.

BoolFlag returns new object that implements interface Flag and has state 'set' when var with the given address is true.

Flags returns flags that was added by the function AddFlag.

To terminate the daemon use: kill `cat sample.pid`